Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Which digit occurred maximum times between the number 1 and 1000?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

What am I?

If an electric train is travelling south, then which way is the smoke going?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Be active and find the killer in the picture Riddle below.

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?